INDEX 



383 



Patagiae, 231 



Pea and bean weevils, 128-130 



louse, 205 



weevil, 128 

 Peach Borer, 243 



"stop-back," 181 

 Pear Psylla, 193 



slug, 341 



thrips, 150 

 Pedicel, 338 



Pediculus humanus, 165 

 Pelecinus polyturator, 351 

 Pentatomidae, 171 

 Pentilia misella, 134 

 Periodical cicada, 187 

 Periplaneta americana, 78 

 Periplaneta australasiae, 78 

 Petiole, 338, 354, 367 

 Phasmidse, 80 

 Philaenus lineatus, 191 

 Philosamia cynthia, 284 

 Phlegethontius quinquemaculata, 288 



sexta, 288 



Phryganidia californica, 267 

 Phthirus pubis, 166 

 Phyllophaga, 110 

 Phylloxera vitifolise, 201 

 Phymatidse, 182 

 Phytonomus posticus, 143 

 Phytophaga destructor, 312 

 Picking by hand, 40 

 Pieridae, 293-296 

 Pigeon Tremex, 343 

 Pine-leaf scale, 215 



weevil, white, 142 

 Pissodes strobi, 142 

 Pitiful lady beetle, 134 

 Plague, 183 

 Plant lice, 133, 187, 194-206, 291, 344*, 



368, 370 



Planting, time of, 40 

 Plecoptera, 72-73 

 Pleuron, 7 

 Plowing, 39 

 Plum curculio, 137 



gouger, 139 

 Porthetria dispar, 262 

 Poison baits, 47 

 Polistes, 358 

 Pollen baskets, 363 

 Polyphemus moth, 283 

 Pontia rapse, 293 

 Popillia japonica, 114 



Potato plant louse, 205 



-stalk weevil, 145 

 Praying mantids, 78 

 Primary parasites, 344 

 Prionoxystus robinise, 234 

 Proctotrypoidea, 351 

 Prognathous, '8 

 Promethea moth, 283 

 Prominents, 266 

 Propodeum, 12, 338 

 Propolis, 364 



Prospaltella perniciosi, 220 

 Protective imitation, 292 

 Protozoa, 1 

 Proventriculus, 16 

 Pseudococcus citri, 218 



longispinus, 219 

 Pseudoscorpions, 2 

 Psithyrus, 362 

 Psocids, 159-161 

 Psyllia pyricola, 193 

 PsychidsB, 250-252 

 Pteromalus puparum, 350 

 Pteronidea ribesii, 340 

 Pterophoridse, 248 

 Pterygota, 60, 65 

 Ptilinum, 301 



Pulchriphyllium scythe, 81 

 Pulvillus, 12, 303 

 Pulvinaria vitis, 217 

 Pupa, 29 



libera, 99, 339 



obtecta, 30, 99 

 Puparium, 29, 303 

 Pupipara, 330-332 

 Purple scale, 215 

 Pyralidae, 248-250 

 Pyrausta nubilalis, 249 

 Pyrethrum, 53 

 Pyrophorus spp. 109 

 Pyrrhocoridae, 173 



Railroad worm, 319 



Raphidiidae, 224 



Rear-horses, 78-80 



Rectal gills, 71 



Rectum, 16 



Red-humped apple-tree caterpillar, 267 



-legged grasshopper, 83 



scale, 215 

 Reduviidse, 182 



